2[4]Cardenas-Valera A E,Bailey A L,Doroszkowski A.Graft copolymers as stabilizers for oil-in-water emulsions Part 1:synthesis of the copolymers and their behaviour as monolayers sprdad at fhe air-water and oil-water interfaces[J].Colloids and Surfaces A:Physicochemical and Engimeering Aspects,1995,96(1-2):53-67.
3[5]Hamid S B A,Abdullah F Z,Ariyanchira S,et al.Polyoxyethylene esters of fatty acids:an alternative synthetic route for high selectivity of monoesters[J].Catalysis Today,2004,97 (4):271-276.